600 lines
23 KiB
Python
600 lines
23 KiB
Python
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import os
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import sys
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import threading
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import traceback
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from PyQt5.QtCore import *
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from PyQt5.QtGui import *
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from PyQt5.QtWidgets import *
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from electrum_bitcoinprivate import Wallet, WalletStorage
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from electrum_bitcoinprivate.util import UserCancelled, InvalidPassword
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from electrum_bitcoinprivate.base_wizard import BaseWizard, HWD_SETUP_DECRYPT_WALLET
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from electrum_bitcoinprivate.i18n import _
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from .seed_dialog import SeedLayout, KeysLayout
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from .network_dialog import NetworkChoiceLayout
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from .util import *
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from .password_dialog import PasswordLayout, PasswordLayoutForHW, PW_NEW
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class GoBack(Exception):
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pass
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MSG_ENTER_PASSWORD = _("Choose a password to encrypt your wallet keys.") + '\n'\
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+ _("Leave this field empty if you want to disable encryption.")
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MSG_HW_STORAGE_ENCRYPTION = _("Set wallet file encryption.") + '\n'\
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+ _("Your wallet file does not contain secrets, mostly just metadata. ") \
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+ _("It also contains your master public key that allows watching your addresses.") + '\n\n'\
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+ _("Note: If you enable this setting, you will need your hardware device to open your wallet.")
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class CosignWidget(QWidget):
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size = 120
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def __init__(self, m, n):
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QWidget.__init__(self)
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self.R = QRect(0, 0, self.size, self.size)
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self.setGeometry(self.R)
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self.setMinimumHeight(self.size)
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self.setMaximumHeight(self.size)
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self.m = m
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self.n = n
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def set_n(self, n):
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self.n = n
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self.update()
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def set_m(self, m):
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self.m = m
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self.update()
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def paintEvent(self, event):
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bgcolor = self.palette().color(QPalette.Background)
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pen = QPen(bgcolor, 7, Qt.SolidLine)
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qp = QPainter()
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qp.begin(self)
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qp.setPen(pen)
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qp.setRenderHint(QPainter.Antialiasing)
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qp.setBrush(Qt.gray)
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for i in range(self.n):
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alpha = int(16* 360 * i/self.n)
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alpha2 = int(16* 360 * 1/self.n)
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qp.setBrush(Qt.green if i<self.m else Qt.gray)
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qp.drawPie(self.R, alpha, alpha2)
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qp.end()
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def wizard_dialog(func):
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def func_wrapper(*args, **kwargs):
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run_next = kwargs['run_next']
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wizard = args[0]
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wizard.back_button.setText(_('Back') if wizard.can_go_back() else _('Cancel'))
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try:
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out = func(*args, **kwargs)
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except GoBack:
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wizard.go_back() if wizard.can_go_back() else wizard.close()
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return
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except UserCancelled:
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return
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#if out is None:
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# out = ()
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if type(out) is not tuple:
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out = (out,)
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run_next(*out)
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return func_wrapper
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# WindowModalDialog must come first as it overrides show_error
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class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
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accept_signal = pyqtSignal()
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synchronized_signal = pyqtSignal(str)
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def __init__(self, config, app, plugins, storage):
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BaseWizard.__init__(self, config, storage)
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QDialog.__init__(self, None)
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self.setWindowTitle('Electrum-bitcoinprivate - ' + _('Install Wizard'))
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self.app = app
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self.config = config
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# Set for base base class
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self.plugins = plugins
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self.language_for_seed = config.get('language')
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self.setMinimumSize(600, 400)
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self.accept_signal.connect(self.accept)
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self.title = QLabel()
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self.main_widget = QWidget()
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self.back_button = QPushButton(_("Back"), self)
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self.back_button.setText(_('Back') if self.can_go_back() else _('Cancel'))
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self.next_button = QPushButton(_("Next"), self)
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self.next_button.setDefault(True)
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self.logo = QLabel()
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self.please_wait = QLabel(_("Please wait..."))
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self.please_wait.setAlignment(Qt.AlignCenter)
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self.icon_filename = None
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self.loop = QEventLoop()
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self.rejected.connect(lambda: self.loop.exit(0))
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self.back_button.clicked.connect(lambda: self.loop.exit(1))
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self.next_button.clicked.connect(lambda: self.loop.exit(2))
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outer_vbox = QVBoxLayout(self)
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inner_vbox = QVBoxLayout()
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inner_vbox.addWidget(self.title)
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inner_vbox.addWidget(self.main_widget)
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inner_vbox.addStretch(1)
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inner_vbox.addWidget(self.please_wait)
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inner_vbox.addStretch(1)
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scroll_widget = QWidget()
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scroll_widget.setLayout(inner_vbox)
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scroll = QScrollArea()
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scroll.setWidget(scroll_widget)
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scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
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scroll.setWidgetResizable(True)
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icon_vbox = QVBoxLayout()
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icon_vbox.addWidget(self.logo)
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icon_vbox.addStretch(1)
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hbox = QHBoxLayout()
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hbox.addLayout(icon_vbox)
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hbox.addSpacing(5)
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hbox.addWidget(scroll)
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hbox.setStretchFactor(scroll, 1)
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outer_vbox.addLayout(hbox)
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outer_vbox.addLayout(Buttons(self.back_button, self.next_button))
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self.set_icon(':icons/electrum-bitcoinprivate.png')
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self.show()
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self.raise_()
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self.refresh_gui() # Need for QT on MacOSX. Lame.
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def run_and_get_wallet(self, get_wallet_from_daemon):
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vbox = QVBoxLayout()
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hbox = QHBoxLayout()
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hbox.addWidget(QLabel(_('Wallet') + ':'))
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self.name_e = QLineEdit()
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hbox.addWidget(self.name_e)
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button = QPushButton(_('Choose...'))
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hbox.addWidget(button)
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vbox.addLayout(hbox)
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self.msg_label = QLabel('')
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vbox.addWidget(self.msg_label)
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hbox2 = QHBoxLayout()
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self.pw_e = QLineEdit('', self)
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self.pw_e.setFixedWidth(150)
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self.pw_e.setEchoMode(2)
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self.pw_label = QLabel(_('Password') + ':')
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hbox2.addWidget(self.pw_label)
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hbox2.addWidget(self.pw_e)
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hbox2.addStretch()
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vbox.addLayout(hbox2)
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self.set_layout(vbox, title=_('Electrum-bitcoinprivate wallet'))
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wallet_folder = os.path.dirname(self.storage.path)
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def on_choose():
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path, __ = QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder)
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if path:
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self.name_e.setText(path)
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def on_filename(filename):
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path = os.path.join(wallet_folder, filename)
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wallet_from_memory = get_wallet_from_daemon(path)
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try:
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if wallet_from_memory:
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self.storage = wallet_from_memory.storage
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else:
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self.storage = WalletStorage(path, manual_upgrades=True)
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self.next_button.setEnabled(True)
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except BaseException:
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traceback.print_exc(file=sys.stderr)
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self.storage = None
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self.next_button.setEnabled(False)
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if self.storage:
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if not self.storage.file_exists():
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msg =_("This file does not exist.") + '\n' \
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+ _("Press 'Next' to create this wallet, or choose another file.")
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pw = False
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elif not wallet_from_memory:
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if self.storage.is_encrypted_with_user_pw():
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msg = _("This file is encrypted with a password.") + '\n' \
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+ _('Enter your password or choose another file.')
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pw = True
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elif self.storage.is_encrypted_with_hw_device():
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msg = _("This file is encrypted using a hardware device.") + '\n' \
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+ _("Press 'Next' to choose device to decrypt.")
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pw = False
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else:
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msg = _("Press 'Next' to open this wallet.")
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pw = False
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else:
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msg = _("This file is already open in memory.") + "\n" \
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+ _("Press 'Next' to create/focus window.")
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pw = False
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else:
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msg = _('Cannot read file')
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pw = False
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self.msg_label.setText(msg)
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if pw:
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self.pw_label.show()
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self.pw_e.show()
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self.pw_e.setFocus()
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else:
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self.pw_label.hide()
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self.pw_e.hide()
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button.clicked.connect(on_choose)
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self.name_e.textChanged.connect(on_filename)
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n = os.path.basename(self.storage.path)
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self.name_e.setText(n)
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while True:
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if self.storage.file_exists() and not self.storage.is_encrypted():
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break
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if self.loop.exec_() != 2: # 2 = next
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return
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if not self.storage.file_exists():
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break
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wallet_from_memory = get_wallet_from_daemon(self.storage.path)
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if wallet_from_memory:
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return wallet_from_memory
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if self.storage.file_exists() and self.storage.is_encrypted():
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if self.storage.is_encrypted_with_user_pw():
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password = self.pw_e.text()
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try:
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self.storage.decrypt(password)
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break
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except InvalidPassword as e:
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QMessageBox.information(None, _('Error'), str(e))
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continue
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except BaseException as e:
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traceback.print_exc(file=sys.stdout)
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QMessageBox.information(None, _('Error'), str(e))
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return
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elif self.storage.is_encrypted_with_hw_device():
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try:
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self.run('choose_hw_device', HWD_SETUP_DECRYPT_WALLET)
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except InvalidPassword as e:
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QMessageBox.information(
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None, _('Error'),
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_('Failed to decrypt using this hardware device.') + '\n' +
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_('If you use a passphrase, make sure it is correct.'))
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self.stack = []
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return self.run_and_get_wallet(get_wallet_from_daemon)
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except BaseException as e:
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traceback.print_exc(file=sys.stdout)
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QMessageBox.information(None, _('Error'), str(e))
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return
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if self.storage.is_past_initial_decryption():
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break
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else:
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return
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else:
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raise Exception('Unexpected encryption version')
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path = self.storage.path
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if self.storage.requires_split():
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self.hide()
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msg = _("The wallet '{}' contains multiple accounts, which are no longer supported since Electrum-bitcoinprivate 2.7.\n\n"
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"Do you want to split your wallet into multiple files?").format(path)
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if not self.question(msg):
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return
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file_list = '\n'.join(self.storage.split_accounts())
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msg = _('Your accounts have been moved to') + ':\n' + file_list + '\n\n'+ _('Do you want to delete the old file') + ':\n' + path
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if self.question(msg):
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os.remove(path)
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self.show_warning(_('The file was removed'))
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return
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if self.storage.requires_upgrade():
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self.storage.upgrade()
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self.wallet = Wallet(self.storage)
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return self.wallet
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action = self.storage.get_action()
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if action and action != 'new':
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self.hide()
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msg = _("The file '{}' contains an incompletely created wallet.\n"
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"Do you want to complete its creation now?").format(path)
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if not self.question(msg):
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if self.question(_("Do you want to delete '{}'?").format(path)):
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os.remove(path)
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self.show_warning(_('The file was removed'))
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return
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self.show()
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if action:
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# self.wallet is set in run
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self.run(action)
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return self.wallet
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self.wallet = Wallet(self.storage)
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return self.wallet
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def finished(self):
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"""Called in hardware client wrapper, in order to close popups."""
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return
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def on_error(self, exc_info):
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if not isinstance(exc_info[1], UserCancelled):
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traceback.print_exception(*exc_info)
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self.show_error(str(exc_info[1]))
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def set_icon(self, filename):
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prior_filename, self.icon_filename = self.icon_filename, filename
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self.logo.setPixmap(QPixmap(filename)
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.scaledToWidth(64, Qt.SmoothTransformation))
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return prior_filename
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def set_layout(self, layout, title=None, next_enabled=True):
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self.title.setText("<b>%s</b>"%title if title else "")
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self.title.setVisible(bool(title))
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# Get rid of any prior layout by assigning it to a temporary widget
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prior_layout = self.main_widget.layout()
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if prior_layout:
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QWidget().setLayout(prior_layout)
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self.main_widget.setLayout(layout)
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self.back_button.setEnabled(True)
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self.next_button.setEnabled(next_enabled)
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if next_enabled:
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self.next_button.setFocus()
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self.main_widget.setVisible(True)
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self.please_wait.setVisible(False)
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def exec_layout(self, layout, title=None, raise_on_cancel=True,
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next_enabled=True):
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self.set_layout(layout, title, next_enabled)
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result = self.loop.exec_()
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if not result and raise_on_cancel:
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raise UserCancelled
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if result == 1:
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raise GoBack from None
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self.title.setVisible(False)
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self.back_button.setEnabled(False)
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self.next_button.setEnabled(False)
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self.main_widget.setVisible(False)
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self.please_wait.setVisible(True)
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self.refresh_gui()
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return result
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def refresh_gui(self):
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# For some reason, to refresh the GUI this needs to be called twice
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self.app.processEvents()
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self.app.processEvents()
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def remove_from_recently_open(self, filename):
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self.config.remove_from_recently_open(filename)
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def text_input(self, title, message, is_valid, allow_multi=False):
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slayout = KeysLayout(parent=self, title=message, is_valid=is_valid,
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allow_multi=allow_multi)
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self.exec_layout(slayout, title, next_enabled=False)
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return slayout.get_text()
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def seed_input(self, title, message, is_seed, options):
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slayout = SeedLayout(title=message, is_seed=is_seed, options=options, parent=self)
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self.exec_layout(slayout, title, next_enabled=False)
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return slayout.get_seed(), slayout.is_bip39, slayout.is_ext
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@wizard_dialog
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def add_xpub_dialog(self, title, message, is_valid, run_next, allow_multi=False):
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return self.text_input(title, message, is_valid, allow_multi)
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@wizard_dialog
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def add_cosigner_dialog(self, run_next, index, is_valid):
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title = _("Add Cosigner") + " %d"%index
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message = ' '.join([
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_('Please enter the master public key (xpub) of your cosigner.'),
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_('Enter their master private key (xprv) if you want to be able to sign for them.')
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])
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return self.text_input(title, message, is_valid)
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@wizard_dialog
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def restore_seed_dialog(self, run_next, test):
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options = []
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if self.opt_ext:
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options.append('ext')
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if self.opt_bip39:
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options.append('bip39')
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title = _('Enter Seed')
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message = _('Please enter your seed phrase in order to restore your wallet.')
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return self.seed_input(title, message, test, options)
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@wizard_dialog
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def confirm_seed_dialog(self, run_next, test):
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self.app.clipboard().clear()
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title = _('Confirm Seed')
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message = ' '.join([
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_('Your seed is important!'),
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_('If you lose your seed, your money will be permanently lost.'),
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_('To make sure that you have properly saved your seed, please retype it here.')
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])
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seed, is_bip39, is_ext = self.seed_input(title, message, test, None)
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return seed
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@wizard_dialog
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def show_seed_dialog(self, run_next, seed_text):
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title = _("Your wallet generation seed is:")
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slayout = SeedLayout(seed=seed_text, title=title, msg=True, options=['ext'])
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self.exec_layout(slayout)
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return slayout.is_ext
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def pw_layout(self, msg, kind, force_disable_encrypt_cb):
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playout = PasswordLayout(None, msg, kind, self.next_button,
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force_disable_encrypt_cb=force_disable_encrypt_cb)
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playout.encrypt_cb.setChecked(True)
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self.exec_layout(playout.layout())
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return playout.new_password(), playout.encrypt_cb.isChecked()
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@wizard_dialog
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def request_password(self, run_next, force_disable_encrypt_cb=False):
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"""Request the user enter a new password and confirm it. Return
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the password or None for no password."""
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return self.pw_layout(MSG_ENTER_PASSWORD, PW_NEW, force_disable_encrypt_cb)
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@wizard_dialog
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def request_storage_encryption(self, run_next):
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playout = PasswordLayoutForHW(None, MSG_HW_STORAGE_ENCRYPTION, PW_NEW, self.next_button)
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playout.encrypt_cb.setChecked(True)
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self.exec_layout(playout.layout())
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return playout.encrypt_cb.isChecked()
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def show_restore(self, wallet, network):
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# FIXME: these messages are shown after the install wizard is
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# finished and the window closed. On macOS they appear parented
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# with a re-appeared ghost install wizard window...
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if network:
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def task():
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wallet.wait_until_synchronized()
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if wallet.is_found():
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msg = _("Recovery successful")
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else:
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msg = _("No transactions found for this seed")
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self.synchronized_signal.emit(msg)
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self.synchronized_signal.connect(self.show_message)
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t = threading.Thread(target = task)
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t.daemon = True
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t.start()
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else:
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msg = _("This wallet was restored offline. It may "
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"contain more addresses than displayed.")
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self.show_message(msg)
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@wizard_dialog
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def confirm_dialog(self, title, message, run_next):
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self.confirm(message, title)
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def confirm(self, message, title):
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label = WWLabel(message)
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vbox = QVBoxLayout()
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vbox.addWidget(label)
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self.exec_layout(vbox, title)
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@wizard_dialog
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def action_dialog(self, action, run_next):
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self.run(action)
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def terminate(self):
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self.accept_signal.emit()
|
|
|
|
def waiting_dialog(self, task, msg):
|
|
self.please_wait.setText(msg)
|
|
self.refresh_gui()
|
|
t = threading.Thread(target = task)
|
|
t.start()
|
|
t.join()
|
|
|
|
@wizard_dialog
|
|
def choice_dialog(self, title, message, choices, run_next):
|
|
c_values = [x[0] for x in choices]
|
|
c_titles = [x[1] for x in choices]
|
|
clayout = ChoicesLayout(message, c_titles)
|
|
vbox = QVBoxLayout()
|
|
vbox.addLayout(clayout.layout())
|
|
self.exec_layout(vbox, title)
|
|
action = c_values[clayout.selected_index()]
|
|
return action
|
|
|
|
def query_choice(self, msg, choices):
|
|
"""called by hardware wallets"""
|
|
clayout = ChoicesLayout(msg, choices)
|
|
vbox = QVBoxLayout()
|
|
vbox.addLayout(clayout.layout())
|
|
self.exec_layout(vbox, '')
|
|
return clayout.selected_index()
|
|
|
|
@wizard_dialog
|
|
def line_dialog(self, run_next, title, message, default, test, warning='',
|
|
presets=()):
|
|
vbox = QVBoxLayout()
|
|
vbox.addWidget(WWLabel(message))
|
|
line = QLineEdit()
|
|
line.setText(default)
|
|
def f(text):
|
|
self.next_button.setEnabled(test(text))
|
|
line.textEdited.connect(f)
|
|
vbox.addWidget(line)
|
|
vbox.addWidget(WWLabel(warning))
|
|
|
|
for preset in presets:
|
|
button = QPushButton(preset[0])
|
|
button.clicked.connect(lambda __, text=preset[1]: line.setText(text))
|
|
button.setMaximumWidth(150)
|
|
hbox = QHBoxLayout()
|
|
hbox.addWidget(button, Qt.AlignCenter)
|
|
vbox.addLayout(hbox)
|
|
|
|
self.exec_layout(vbox, title, next_enabled=test(default))
|
|
return ' '.join(line.text().split())
|
|
|
|
@wizard_dialog
|
|
def show_xpub_dialog(self, xpub, run_next):
|
|
msg = ' '.join([
|
|
_("Here is your master public key."),
|
|
_("Please share it with your cosigners.")
|
|
])
|
|
vbox = QVBoxLayout()
|
|
layout = SeedLayout(xpub, title=msg, icon=False)
|
|
vbox.addLayout(layout.layout())
|
|
self.exec_layout(vbox, _('Master Public Key'))
|
|
return None
|
|
|
|
def init_network(self, network):
|
|
message = _("Electrum-bitcoinprivate communicates with remote servers to get "
|
|
"information about your transactions and addresses. The "
|
|
"servers all fulfill the same purpose only differing in "
|
|
"hardware. In most cases you simply want to let Electrum-bitcoinprivate "
|
|
"pick one at random. However if you prefer feel free to "
|
|
"select a server manually.")
|
|
choices = [_("Auto connect"), _("Select server manually")]
|
|
title = _("How do you want to connect to a server? ")
|
|
clayout = ChoicesLayout(message, choices)
|
|
self.back_button.setText(_('Cancel'))
|
|
self.exec_layout(clayout.layout(), title)
|
|
r = clayout.selected_index()
|
|
if r == 1:
|
|
nlayout = NetworkChoiceLayout(network, self.config, wizard=True)
|
|
if self.exec_layout(nlayout.layout()):
|
|
nlayout.accept()
|
|
else:
|
|
network.auto_connect = True
|
|
self.config.set_key('auto_connect', True, True)
|
|
|
|
@wizard_dialog
|
|
def multisig_dialog(self, run_next):
|
|
cw = CosignWidget(2, 2)
|
|
m_edit = QSlider(Qt.Horizontal, self)
|
|
n_edit = QSlider(Qt.Horizontal, self)
|
|
n_edit.setMinimum(2)
|
|
n_edit.setMaximum(15)
|
|
m_edit.setMinimum(1)
|
|
m_edit.setMaximum(2)
|
|
n_edit.setValue(2)
|
|
m_edit.setValue(2)
|
|
n_label = QLabel()
|
|
m_label = QLabel()
|
|
grid = QGridLayout()
|
|
grid.addWidget(n_label, 0, 0)
|
|
grid.addWidget(n_edit, 0, 1)
|
|
grid.addWidget(m_label, 1, 0)
|
|
grid.addWidget(m_edit, 1, 1)
|
|
def on_m(m):
|
|
m_label.setText(_('Require {0} signatures').format(m))
|
|
cw.set_m(m)
|
|
def on_n(n):
|
|
n_label.setText(_('From {0} cosigners').format(n))
|
|
cw.set_n(n)
|
|
m_edit.setMaximum(n)
|
|
n_edit.valueChanged.connect(on_n)
|
|
m_edit.valueChanged.connect(on_m)
|
|
on_n(2)
|
|
on_m(2)
|
|
vbox = QVBoxLayout()
|
|
vbox.addWidget(cw)
|
|
vbox.addWidget(WWLabel(_("Choose the number of signatures needed to unlock funds in your wallet:")))
|
|
vbox.addLayout(grid)
|
|
self.exec_layout(vbox, _("Multi-Signature Wallet"))
|
|
m = int(m_edit.value())
|
|
n = int(n_edit.value())
|
|
return (m, n)
|